R. 'May Song'
Rhododendron Hybrid
| Hybridized By | Grace, G.D. |
| Seed Parent | R. 'Bow Bells' |
| Pollen Parent | R. 'Day Dream' |
| 10 Year Height | 100 cm. (3ft.) |
| Bloom Time | midseason |
| Flower | ? |
| Flower Color | ? |
| Fragrance | ? |
| Leaves | ? |
| Leaf persistence | ? |
| Minimum Hardiness | -10 C (14 F) |
| Additional Hardiness Info |
H4 |
| Registration | Registered |